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JS81-4D — VALVE SUBASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

JS81-4D: VALVE SUBASSEMBLY.

The VALVE SUBASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,5.670 IN. L,0.875 IN.

H,0.125 IN. THICKNESS IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-337-9181, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
JS81-4D
NSN: 2815-00-337-9181
FSC: 2815 — Diesel Engines and Components
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,5.670 IN. L,0.875 IN. H,0.125 IN. THICKNESS IN
NSN2815-00-337-9181
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE SUBASSEMBLY TITLE COMPONENT PN JS81-4D MFR VALVE SUBASSEMBLY
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,5.670 IN. L,0.875 IN. H,0.125 IN. THICKNESS IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,5.670 IN. L,0.875 IN. H,0.125 IN. THICKNESS IN
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JS81-4D?
JS81-4D is a VALVE SUBASSEMBLY.
What is the NSN for JS81-4D?
JS81-4D is cataloged in the U.S. Government catalog under NSN 2815-00-337-9181. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.